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Showing results for well-established.
Definitions

well-established

[wel-i-stab-lisht] / ˈwɛl ɪˈstæb lɪʃt /
ADJECTIVE
age-old
Synonyms
STRONGEST
ancient antiquated archaic hoary old-fashioned timeworn
WEAK
aged antediluvian antique old old-time olden venerable vintage
Antonyms
STRONGEST
current modern new young
ADJECTIVE
dyed-in-the-wool
Synonyms
WEAK
absolute complete confirmed congenital deep-down deep-dyed deep-rooted deep-seated deeply ingrained die-hard entrenched fixed full-fledged genuine hardened infixed ingrained instilled long-standing out and out thorough thoroughgoing through-and-through to the core true unchangeable uncompromising utter
ADJECTIVE
established
Synonyms
STRONGEST
entrenched settled traditional
STRONG
fixed ingrained rooted secure set stable vested
WEAK
deep-rooted permanent unshakable
Antonyms
STRONG
indefinite undecided unfixed unstable
WEAK
false insolvent invalidated temporary unsound untrue
ADJECTIVE
genuine
Synonyms
STRONGEST
earnest heartfelt natural positive real sincere true
WEAK
actual artless candid for real frank known open reliable righteous trustworthy undesigning unfeigned unimpeachable unpretended unquestionable up front valid
Antonyms
STRONGEST
dishonest false insincere invalid unreal untrustworthy
WEAK
affected counterfeit deceiving deceptive illegitimate misleading sham
ADJECTIVE
orthodox
Synonyms
WEAK
according to the book acknowledged admitted approved authoritative buttoned-down by the numbers canonical conformist conservative conventional correct customary devout die-hard doctrinal established in line legitimate official old-line pious proper punctilious reactionary received recognized religious right rightful sanctioned sound square standard straight straight arrow traditionalistic true
Antonyms
WEAK
heterodox unconventional unorthodox untraditional
ADJECTIVE
strong
Synonyms
STRONGEST
clear compelling distinct firm unmistakable
STRONG
marked
WEAK
clear-cut convincing formidable great overpowering persuasive redoubtable sharp sound telling trenchant
Antonyms
STRONGEST
dull easy indistinct loose uncertain vague weak
STRONG
indefinite mild
WEAK
low moderate obscure pale unfixed unhealthy
ADJECTIVE
unmannered
Synonyms
WEAK
actual artless candid earnest frank heartfelt hearty honest known natural open positive real reliable righteous sincere true trustworthy unaffected undesigning unfeigned unimpeachable unpretended unquestionable up front valid

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Paclitaxel is a well-established, frontline standard of care for several cancers.

From Barron's • Apr. 27, 2026

Approaching his record-tying 19th postseason appearance, James has reason to believe in his well-established routine.

From Los Angeles Times • Apr. 16, 2026

Grant has been a well-established critic of the Fed’s propensity to tolerate inflation for some time and in particular he condemns the purchasing power that has been lost since 2020, because of the Fed’s policies.

From MarketWatch • Apr. 14, 2026

This comparison post is between two of the most popular and well-established players in the VPN space.

From Salon • Mar. 27, 2026

Thus Gilbert made magnetic experiments relevant to a well-established branch of natural knowledge, astronomy.

From "The Invention of Science" by David Wootton